BMI Calculator
Body mass index from height and weight, with the healthy weight range for your height. Uses the 18.5 / 23 / 25 cutoffs.
How to use
- Enter height (cm) and weight (kg).
- The BMI value and category appear instantly.
- The healthy weight range for the height is shown too.
- Copy link shares the address with your inputs included.
FAQ
How is BMI calculated?
Weight (kg) divided by height (m) squared. 170 cm and 65 kg gives about 22.5.
What are the cutoffs?
Under 18.5 underweight, 18.5–22.9 normal, 23–24.9 overweight, 25 and above obese.
What is the healthy range?
The weight range that keeps BMI between 18.5 and 22.9 for the entered height.
Does BMI alone judge health?
No. Muscle, body fat and waist size matter too — use it as a reference only.
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